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Thomas R, Huntley A, Mann M, Huws D, Paranjothy S, Elwyn G, Purdy S.Thomas R, et al. Among authors: purdy s.Heart. 2013 Feb;99(4):233-9. doi: 10.1136/heartjnl-2012-302313.Heart. 2013.PMID: 23355639Review.
Huntley AL, Johnson R, King A, Morris RW, Purdy S.Huntley AL, et al. Among authors: purdy s.BMJ Open. 2016 May 10;6(5):e010933. doi: 10.1136/bmjopen-2015-010933.BMJ Open. 2016.PMID: 27165648Free PMC article.Review.
Busby J, Purdy S, Hollingworth W.Busby J, et al. Among authors: purdy s.J Health Serv Res Policy. 2017 Jan;22(1):20-27. doi: 10.1177/1355819616666397. Epub 2016 Nov 30.J Health Serv Res Policy. 2017.PMID: 27827306